A man and a woman got out of their car and were aggressive to a Lincoln driver in a road rage incident on Wragby Road.
Lincolnshire Police is investigating the incident, where the wing mirror of a Mercedes C-Class was damaged.
The couple got out of a blue Volkswagen Golf on Sunday, February 17 at around 5pm.
Officers are investigating the incident which took place on Wragby Road from the Lindum Road traffic lights.
Anyone with information about the incident is being urged to contact the force on 101, quoting incident 281.